High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 270325
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT MAY 27 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT
OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN
TWICE THE SIGNIFICANT WAVE HEIGHT.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC MAY 27 2017.
24 HOUR FORECAST VALID 0000 UTC MAY 28 2017.
48 HOUR FORECAST VALID 0000 UTC MAY 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N145W TO 25N151W TO 23N160W TO 19N165W NEARLY
STATIONARY.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N142W TO 25N150W TO 23N160W
TO 18N166W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N140W TO 24N160W TO
19N168W.

.TROUGH FROM 25N160E TO 19N161E MOVING W 15 KT. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF LINE FROM 24N162E TO 20N166E.
.24 HOUR FORECAST WEAK TROUGH MOVED W OF FORECAST AREA.

.TROUGH FROM 25N172E TO 18N173E MOVING W 10 KT. E WINDS 20 TO 25 KT
FROM 24N TO 27N BETWEEN 170E AND 176E. ISOLATED TO LOCALLY SCATTERED
MODERATE TSTMS FROM 18N TO 25N BETWEEN 172E AND 178E.
.24 HOUR FORECAST WEAK TROUGH FROM 28N167E TO 21N169E. WINDS EASED
TO 20 KT OR LESS.
.48 HOUR FORECAST WEAK TROUGH FROM 28N163E TO 24N160E.

.TROUGH FROM 25N145W TO 20N148W TO 16N152W MOVING N SLOWLY.
.24 HOUR FORECAST TROUGH FROM 26N145W TO 20N151W TO 17N153W.
.48 HOUR FORECAST WEAK TROUGH FROM 24N150W TO 18N153W.

.E WINDS 20 TO 25 KT FROM 21N TO 24N BETWEEN 170W AND 175W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 8 TO 9 FT FROM 22N TO 27N BETWEEN 172W AND 173E.
.24 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LESS.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ FROM 08N140W TO 07N155W TO 05N165W TO 05N175E TO 05N160E.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF ITCZ...AND ELSEWHERE FROM
06N TO 10N BETWEEN 166E AND 175E.

$$

.FORECASTER KINEL. HONOLULU HI.


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